Home / 14,291.20-21,437.31-4,931.52

Finding the Fourth Proportional to 14,291.20, 21,437.31 and 4,931.52

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Solution

The fourth proportional to 14,291.20, 21,437.31 and 4,931.52 is: 7,397.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,291.20 : 21,437.31 = 4,931.52 : x
  2. Step 2: Convert to fraction form
    14,291.20/21,437.31 = 4,931.52/x
  3. Step 3: Cross multiply
    14,291.20x = 21,437.31 × 4,931.52
  4. Step 4: Simplify right side
    14,291.20x = 105,718,523.01
  5. Step 5: Solve for x
    x = 105,718,523.01/14,291.20
  6. Step 6: Final answer
    x = 7,397.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.